The clinical and biochemical hallmarks generally associated with GLUT1DS may be caused by defects in genes other than SLC2A1. - Sánchez-Lijarcio O; Yubero D; Leal F; Couce ML; González Gutiérrez-Solana L; López-Laso E; García-Cazorla À; Pías-Peleteiro L; de Azua Brea B; Ibáñez-Micó S; Mateo-Martínez G; Troncoso-Schifferli M; et al. (Clinical genetics, 2022)